CN113929988A - Floor cloth for railway passenger train and motor train unit and preparation method thereof - Google Patents
Floor cloth for railway passenger train and motor train unit and preparation method thereof Download PDFInfo
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- CN113929988A CN113929988A CN202111240108.4A CN202111240108A CN113929988A CN 113929988 A CN113929988 A CN 113929988A CN 202111240108 A CN202111240108 A CN 202111240108A CN 113929988 A CN113929988 A CN 113929988A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
Abstract
The invention discloses a floor cloth for railway carriages and motor train units and a preparation method thereof, wherein the floor cloth is prepared by using high styrene butadiene styrene rubber and polyisoprene rubber together, adding a vulcanizing agent, a flame retardant, a filler and a protective agent and adopting a dynamic pressureless vulcanization process, and the floor cloth is free of color change phenomena and harmful substances through ultraviolet irradiation, thereby indicating environmental friendliness. The hardness (Shore A) is 80-90, the tensile strength is 10 MPa, the elongation at break is 280%, the flame retardance is 1 grade, the vertical deformation is 2.4, and the color change is not caused by illumination (ultraviolet rays with the wavelength of 400).
Description
Technical Field
The invention belongs to the technical field of floor cloth, and particularly relates to floor cloth for railway passenger cars and motor train units and a preparation method thereof.
Background
The floor cloth of the railway passenger car can meet the decoration requirement and ensure the personal safety and health of passengers; thus, there are related rigid requirements for floor layouts used on passenger cars, including resistance to aging, abrasion, and flame.
The prior floor cloth can not achieve ideal effect on performance, the color of the floor cloth changes after the floor cloth is used for a period of time, and all the performances are reduced, more importantly, the prior floor cloth has low production process value rate, and the results show that the labor cost is high and the energy is consumed.
Disclosure of Invention
The invention aims to provide floor cloth for passenger trains and motor train units and a preparation method thereof, the invention realizes dynamic and rapid dynamic continuous thread vulcanization, the output is 8-12 times faster than that of the conventional drum vulcanization, the production efficiency is improved, the labor cost is reduced, the energy consumption is saved, and the floor cloth is free of color change and harmful substances through ultraviolet irradiation, thereby indicating environmental friendliness.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
floor cloth for railway carriages and motor train units is characterized in that: the floor cloth is prepared by using high styrene butadiene styrene rubber and polyisoprene rubber together, adding a vulcanizing agent, a flame retardant, a filler and a protective agent and adopting a dynamic pressureless vulcanization process.
Further, the floor cloth is prepared from the following raw materials in parts by weight:
20-50 parts of high styrene butadiene styrene rubber, 20-50 parts of polyisoprene rubber, 10-15 parts of white carbon black, 20-25 parts of halogen-free flame retardant, 10-15 parts of naphthenic oil, 0.4-0.6 part of accelerator CZ, 0.4-0.6 part of accelerator BZ, 1-1.5 parts of accelerator TBzTD, 2-3 parts of sulfur, 2-3 parts of paraffin, 10-12 parts of calcium oxide, 0.5-0.8 part of antioxidant AT-760, and 5-8 parts of diatomite.
Furthermore, the raw materials also contain 0.2-2 parts by weight of color master batch and specific filler, and the required color master batch is conventional color master batch according to the product requirements.
Further, 20 parts of high styrene butadiene styrene rubber, 20 parts of polyisoprene rubber, 10 parts of white carbon black, 20 parts of halogen-free flame retardant, 10 parts of naphthenic oil, 0.4 part of accelerator CZ, 0.4 part of accelerator BZ, 1 part of accelerator TBZTD, 2 parts of sulfur, 2 parts of paraffin, 10 parts of calcium oxide, 760.5 parts of antioxidant AT-760 and 5 parts of diatomite.
In a further preferred embodiment of the present invention, the high styrene butadiene styrene rubber composition comprises 50 parts of high styrene butadiene styrene rubber, 50 parts of polyisoprene rubber, 15 parts of white carbon black, 25 parts of halogen-free flame retardant, 15 parts of naphthenic oil, 0.6 part of accelerator CZ, 0.6 part of accelerator BZ, 1.5 parts of accelerator TBzTD, 3 parts of sulfur, 3 parts of paraffin, 12 parts of calcium oxide, AT-760.8 parts of antioxidant and 8 parts of diatomite.
A preparation method of floor cloth for railway carriages and motor train units comprises the following steps:
s1, mixing the raw materials according to the weight ratio, wherein the raw materials comprise high styrene butadiene styrene rubber, polyisoprene rubber, a vulcanizing agent, a flame retardant, a filler and a protective agent;
s2, putting the high styrene butadiene styrene rubber and the polyisoprene rubber into a close-mixing machine according to the weight ratio, adding an antioxidant, mixing and banburying at the temperature of 90-160 ℃, and opening the bin after 5-10 minutes to obtain a mixed material;
s3, adding the mixture into the mixed material obtained in the step S2 according to the weight ratio, mixing again for 3-6 minutes, mixing uniformly, and pouring into a bin of an extruder;
and S4, extruding the mixed material in the S3 from an extruder, adjusting the thickness according to the requirement, extruding unvulcanized sheet materials of the extruder, calendering patterns and extending through a calender, dynamically passing through a closed hot air box, slowly passing through the closed hot air box at a linear speed of 1.2-2M/min, controlling the temperature of the hot air at 90-200 ℃ for 20-35 minutes, vulcanizing, cooling by air, cutting edges, coiling and packaging to obtain the finished product.
The technical scheme can obtain the following beneficial effects:
the high styrene butadiene styrene rubber is a non-toxic material, and is a non-smelly milky high-molecular polymer, and its advantages are high ageing resistance, abrasion resistance, insulation, easy coloring, low relative density, high hardness, high elasticity and tensile strength, good compatibility, excellent comprehensive performance, high vulcanization speed and no scorching.
The floor cloth provided by the invention is free of color change and harmful substances through ultraviolet irradiation, and indicates environment-friendly, the obtained floor cloth for railway carriages and motor train units is subjected to physical property test according to a conventional detection method, and the result is as follows: the hardness (Shore A) is 80-90, the tensile strength is 10 MPa, the elongation at break is 280%, the flame retardance is 1 grade, the vertical deformation is 2.4, and the color change is not caused by illumination (ultraviolet rays with the wavelength of 400).
Detailed Description
The invention will be further illustrated with reference to specific examples:
the floor cloth for the passenger train and the motor train unit is prepared by using high styrene butadiene styrene rubber and polyisoprene rubber together, adding a vulcanizing agent, a flame retardant, a filler and a protective agent and adopting a dynamic pressureless vulcanization process.
The floor cloth is prepared from the following raw materials in parts by weight:
20-50 parts of high styrene butadiene styrene rubber, 20-50 parts of polyisoprene rubber, 10-15 parts of white carbon black, 20-25 parts of halogen-free flame retardant, 10-15 parts of naphthenic oil, 0.4-0.6 part of accelerator CZ, 0.4-0.6 part of accelerator BZ, 1-1.5 parts of accelerator TBzTD, 2-3 parts of sulfur, 2-3 parts of paraffin, 10-12 parts of calcium oxide, 0.5-0.8 part of antioxidant AT-760, and 5-8 parts of diatomite.
The raw materials also contain 0.2-2 parts by weight of color master batch and specific filler, and the required color master batch is selected from conventional color master batches according to the product requirements.
20 parts of high styrene butadiene styrene rubber, 20 parts of polyisoprene rubber, 10 parts of white carbon black, 20 parts of halogen-free flame retardant, 10 parts of naphthenic oil, 0.4 part of accelerator CZ, 0.4 part of accelerator BZ, 1 part of accelerator TBzTD, 2 parts of sulfur, 2 parts of paraffin, 10 parts of calcium oxide, 760.5 parts of antioxidant AT-760 and 5 parts of diatomite.
In a further preferred embodiment of the present invention, the high styrene butadiene styrene rubber composition comprises 50 parts of high styrene butadiene styrene rubber, 50 parts of polyisoprene rubber, 15 parts of white carbon black, 25 parts of halogen-free flame retardant, 15 parts of naphthenic oil, 0.6 part of accelerator CZ, 0.6 part of accelerator BZ, 1.5 parts of accelerator TBzTD, 3 parts of sulfur, 3 parts of paraffin, 12 parts of calcium oxide, AT-760.8 parts of antioxidant and 8 parts of diatomite.
A preparation method of floor cloth for railway carriages and motor train units comprises the following steps:
s1, mixing the raw materials according to the weight ratio, wherein the raw materials comprise high styrene butadiene styrene rubber, polyisoprene rubber, a vulcanizing agent, a flame retardant, a filler and a protective agent;
s2, putting the high styrene butadiene styrene rubber and the polyisoprene rubber into a close-mixing machine according to the weight ratio, adding an antioxidant, mixing and banburying at the temperature of 90-160 ℃, and opening the bin after 5-10 minutes to obtain a mixed material;
s3, adding the mixture into the mixed material obtained in the step S2 according to the weight ratio, mixing again for 3-6 minutes, mixing uniformly, and pouring into a bin of an extruder;
and S4, extruding the mixed material in the S3 from an extruder, adjusting the thickness according to the requirement, extruding unvulcanized sheet materials of the extruder, calendering patterns and extending through a calender, dynamically passing through a closed hot air box, slowly passing through the closed hot air box at a linear speed of 1.2-2M/min, controlling the temperature of the hot air at 90-200 ℃ for 20-35 minutes, vulcanizing, cooling by air, cutting edges, coiling and packaging to obtain the finished product.
Example 1:
s1, mixing the raw materials by weight, wherein the raw materials comprise 50 parts of high styrene butadiene styrene rubber, 50 parts of polyisoprene rubber, 15 parts of white carbon black, 25 parts of halogen-free flame retardant, 15 parts of naphthenic oil, 0.6 part of accelerator CZ, 0.6 part of accelerator BZ, 1.5 parts of accelerator TBzTD, 3 parts of sulfur, 3 parts of paraffin, 12 parts of calcium oxide, AT-760.8 parts of antioxidant and 8 parts of diatomite, and adding 2 parts of color master batches into the raw materials;
s2, putting the high styrene butadiene styrene rubber and the polyisoprene rubber into a close-mixing machine according to the weight ratio, adding an antioxidant, mixing and banburying at the temperature of 90-160 ℃, and opening the bin after 5-10 minutes to obtain a mixed material;
s3, adding the mixture into the mixed material obtained in the step S2 according to the weight ratio, mixing again for 3-6 minutes, mixing uniformly, and pouring into a bin of an extruder;
and S4, extruding the mixed material in the S3 from an extruder, adjusting the thickness according to the requirement, extruding unvulcanized sheet materials of the extruder, calendering patterns and extending through a calender, dynamically passing through a closed hot air box, slowly passing through the closed hot air box at a linear speed of 1.2M/min, keeping the hot air temperature between 90 and 200 ℃, keeping the linear speed for 20 to 35 minutes, vulcanizing, cooling by air, cutting edges, coiling and packaging to obtain the finished product.
Example 2:
s1, mixing the raw materials according to the weight ratio, wherein the raw materials comprise 20 parts of high styrene butadiene styrene rubber, 20 parts of polyisoprene rubber, 10 parts of white carbon black, 20 parts of halogen-free flame retardant, 10 parts of naphthenic oil, 0.4 part of accelerant CZ, 0.4 part of accelerant BZ, 1 part of accelerant TBzTD, 2 parts of sulfur, 2 parts of paraffin, 10 parts of calcium oxide, 760.5 parts of antioxidant AT-760 and 5 parts of diatomite, and adding 0.2 part of color master batch into the raw materials;
s2, putting the high styrene butadiene styrene rubber and the polyisoprene rubber into a close-mixing machine according to the weight ratio, adding an antioxidant, mixing and banburying at the temperature of 90-160 ℃, and opening the bin after 5-10 minutes to obtain a mixed material;
s3, adding the mixture into the mixed material obtained in the step S2 according to the weight ratio, mixing again for 3-6 minutes, mixing uniformly, and pouring into a bin of an extruder;
and S4, extruding the mixed material in the S3 from an extruder, adjusting the thickness according to the requirement, extruding unvulcanized sheet materials of the extruder, calendering patterns and extending through a calender, dynamically passing through a closed hot air box, slowly passing through the closed hot air box at a linear speed of 1.2M/min, keeping the hot air temperature between 90 and 200 ℃, carrying out 35 minutes, vulcanizing, carrying out air cooling, cutting edges, coiling and packaging to obtain the finished product.
Example 3:
s1, mixing the raw materials according to the weight ratio, wherein the raw materials comprise 25 parts of high styrene butadiene styrene rubber, 35 parts of polyisoprene rubber, 13 parts of 800-mesh white carbon black, 22 parts of halogen-free flame retardant, 13 parts of naphthenic oil, 0.5 part of accelerant CZ, 0.5 part of accelerant BZ, 1.3 parts of accelerant TBzTD, 2.5 parts of sulfur, 2.5 parts of paraffin, 11 parts of calcium oxide, 6 parts of antioxidant AT-760.6 and 6 parts of diatomite, and adding 0.2 part of color master batch and filler into the raw materials;
s2, putting the high styrene butadiene styrene rubber and the polyisoprene rubber into a close-mixing machine according to the weight ratio, adding an antioxidant, mixing and banburying at the temperature of 90-160 ℃, and opening the bin after 5-10 minutes to obtain a mixed material;
s3, adding the mixture into the mixed material obtained in the step S2 according to the weight ratio, mixing again for 3-6 minutes, mixing uniformly, and pouring into a bin of an extruder;
s4, extruding the mixed material in the S3 from an extruder, adjusting the thickness according to the requirement, extruding unvulcanized sheet materials of the extruder, passing through a calender, calendering patterns and extending, dynamically passing through a closed hot air box, slowly passing through the box at a linear speed of 1.2M/min, controlling the temperature of the hot air to be between 90 and 200 ℃, carrying out 35 minutes, vulcanizing, carrying out air cooling, cutting edges, coiling and packaging to obtain the finished product
The above description is the preferred embodiment of the present invention, and it is within the scope of the appended claims to cover all modifications of the invention which may occur to those skilled in the art without departing from the spirit and scope of the invention.
Claims (6)
1. Floor cloth for railway carriages and motor train units is characterized in that: the floor cloth is prepared by using high styrene butadiene styrene rubber and polyisoprene rubber together, adding a vulcanizing agent, a flame retardant, a filler and a protective agent and adopting a dynamic pressureless vulcanization process.
2. The floor cloth for railway carriages and motor train units as claimed in claim 1, wherein: the floor cloth is prepared from the following raw materials in parts by weight:
20-50 parts of high styrene butadiene styrene rubber, 20-50 parts of polyisoprene rubber, 10-15 parts of white carbon black, 20-25 parts of halogen-free flame retardant, 10-15 parts of naphthenic oil, 0.4-0.6 part of accelerator CZ, 0.4-0.6 part of accelerator BZ, 1-1.5 parts of accelerator TBzTD, 2-3 parts of sulfur, 2-3 parts of paraffin, 10-12 parts of calcium oxide, 0.5-0.8 part of antioxidant AT-760, and 5-8 parts of diatomite.
3. The floor cloth for railway carriages and motor train units as claimed in claim 1 or 2, wherein: the raw materials also contain 0.2-2 parts by weight of color master batch and specific filler, and the required color master batch is selected from conventional color master batches according to the product requirements.
4. The floor cloth for railway carriages and motor train units as claimed in claim 2, wherein: 20 parts of high styrene butadiene styrene rubber, 20 parts of polyisoprene rubber, 10 parts of white carbon black, 20 parts of halogen-free flame retardant, 10 parts of naphthenic oil, 0.4 part of accelerator CZ, 0.4 part of accelerator BZ, 1 part of accelerator TBzTD, 2 parts of sulfur, 2 parts of paraffin, 10 parts of calcium oxide, 760.5 parts of antioxidant AT-760 and 5 parts of diatomite.
5. The floor cloth for railway carriages and motor train units as claimed in claim 2, wherein: 50 parts of high styrene butadiene styrene rubber, 50 parts of polyisoprene rubber, 15 parts of white carbon black, 25 parts of halogen-free flame retardant, 15 parts of naphthenic oil, 0.6 part of accelerator CZ, 0.6 part of accelerator BZ, 1.5 parts of accelerator TBzTD, 3 parts of sulfur, 3 parts of paraffin, 12 parts of calcium oxide, AT-760.8 parts of antioxidant and 8 parts of diatomite.
6. A preparation method of floor cloth for railway carriages and motor train units is characterized by comprising the following steps: the method comprises the following steps:
s1, mixing the raw materials according to the weight ratio, wherein the raw materials comprise high styrene butadiene styrene rubber, polyisoprene rubber, a vulcanizing agent, a flame retardant, a filler and a protective agent;
s2, putting the high styrene butadiene styrene rubber and the polyisoprene rubber into a close-mixing machine according to the weight ratio, adding an antioxidant, mixing and banburying at the temperature of 90-160 ℃, and opening the bin after 5-10 minutes to obtain a mixed material;
s3, adding the mixture into the mixed material obtained in the step S2 according to the weight ratio, mixing again for 3-6 minutes, mixing uniformly, and pouring into a bin of an extruder;
and S4, extruding the mixed material in the S3 from an extruder, adjusting the thickness according to the requirement, extruding unvulcanized sheet materials of the extruder, calendering patterns and extending through a calender, dynamically passing through a closed hot air box, slowly passing through the closed hot air box at a linear speed of 1.2-2M/min, controlling the temperature of the hot air at 90-200 ℃ for 20-35 minutes, vulcanizing, cooling by air, cutting edges, coiling and packaging to obtain the finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111240108.4A CN113929988A (en) | 2021-10-25 | 2021-10-25 | Floor cloth for railway passenger train and motor train unit and preparation method thereof |
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| CN202111240108.4A CN113929988A (en) | 2021-10-25 | 2021-10-25 | Floor cloth for railway passenger train and motor train unit and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160113A (en) * | 1997-01-15 | 1997-09-24 | 项宗祥 | Flame-retardant wear-resisting rubber-plastics floor with cloth back |
| US20100003527A1 (en) * | 2007-01-12 | 2010-01-07 | Tarkett Sas | Composition and manufacturing process of a decorative surface covering |
| CN103608400A (en) * | 2011-04-29 | 2014-02-26 | 美国比尔特里特（加拿大）有限责任公司 | Surface covering materials and products |
| JP2016211145A (en) * | 2015-04-28 | 2016-12-15 | バンドー化学株式会社 | Flooring material |
| CN109265774A (en) * | 2018-08-06 | 2019-01-25 | 中国铁道科学研究院集团有限公司金属及化学研究所 | A kind of flame-retardant and anti-static rubber floor covering composition and its preparation method and application |
| CN110079227A (en) * | 2012-08-08 | 2019-08-02 | 阪东化学株式会社 | The construction method of the floor panel structure body of vehicle land used sheet, the floor panel structure body of vehicle and vehicle |
| CN110628093A (en) * | 2019-09-27 | 2019-12-31 | 江苏冠联新材料科技股份有限公司 | Environment-friendly color flame-retardant rubber compound for rubber floor and preparation method thereof |
-
2021
- 2021-10-25 CN CN202111240108.4A patent/CN113929988A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160113A (en) * | 1997-01-15 | 1997-09-24 | 项宗祥 | Flame-retardant wear-resisting rubber-plastics floor with cloth back |
| US20100003527A1 (en) * | 2007-01-12 | 2010-01-07 | Tarkett Sas | Composition and manufacturing process of a decorative surface covering |
| CN103608400A (en) * | 2011-04-29 | 2014-02-26 | 美国比尔特里特（加拿大）有限责任公司 | Surface covering materials and products |
| CN110079227A (en) * | 2012-08-08 | 2019-08-02 | 阪东化学株式会社 | The construction method of the floor panel structure body of vehicle land used sheet, the floor panel structure body of vehicle and vehicle |
| JP2016211145A (en) * | 2015-04-28 | 2016-12-15 | バンドー化学株式会社 | Flooring material |
| CN109265774A (en) * | 2018-08-06 | 2019-01-25 | 中国铁道科学研究院集团有限公司金属及化学研究所 | A kind of flame-retardant and anti-static rubber floor covering composition and its preparation method and application |
| CN110628093A (en) * | 2019-09-27 | 2019-12-31 | 江苏冠联新材料科技股份有限公司 | Environment-friendly color flame-retardant rubber compound for rubber floor and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 赵术英等: ""高苯乙烯橡胶HS-630在天然橡胶中的应用研究"", 《特种橡胶制品》 * |
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